Pair of headphones



FIG. 1 is a perspective view of a pair of headphones, each headphone in accordance with the present invention.

FIG. 2 is a back view of the new design;

FIG. 3 is a front view of the new design;

FIG. 4 is a side view of the new design, shown separately for purposes of illustration;

FIG. 5 is an opposite side view of the new design, shown separately for purposes of illustration;

FIG. 6 is a top view of the new design; and,

FIG. 7 is a bottom view of the new design.

The broken lines showing the environment in the Figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a pair of headphones, as shown and described. 